[Refactor] Rename DnsResolutionObserver --> HostResolver::Observer....

net/base/host_resolver.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/base/host_resolver.h"
 
 #if defined(OS_WIN)
 #include <ws2tcpip.h>
 #include <wspiapi.h>  // Needed for Win2k compat.
 #elif defined(OS_POSIX)
 #include <netdb.h>
 #include <sys/socket.h>
 #endif
 #if defined(OS_LINUX)
 #include <resolv.h>
 #endif
 
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/worker_pool.h"
 #include "net/base/address_list.h"
-#include "net/base/dns_resolution_observer.h"
 #include "net/base/net_errors.h"
 
 #if defined(OS_LINUX)
 #include "base/singleton.h"
 #include "base/thread_local_storage.h"
 #endif
 
 #if defined(OS_WIN)
 #include "net/base/winsock_init.h"
 #endif
@@ skipping 439 matching lines @@
 
 // See OnJobComplete(Job*) for why it is important not to clean out
 // cancelled requests from Job::requests_.
 void HostResolver::CancelRequest(Request* req) {
   DCHECK(req);
   DCHECK(req->job());
   // NULL out the fields of req, to mark it as cancelled.
   req->Cancel();
 }
 
-void HostResolver::AddObserver(DnsResolutionObserver* observer) {
+void HostResolver::AddObserver(Observer* observer) {
   observers_.push_back(observer);
 }
 
-void HostResolver::RemoveObserver(DnsResolutionObserver* observer) {
+void HostResolver::RemoveObserver(Observer* observer) {
   ObserversList::iterator it =
       std::find(observers_.begin(), observers_.end(), observer);
 
   // Observer must exist.
   DCHECK(it != observers_.end());
 
   observers_.erase(it);
 }
 
 void HostResolver::AddOutstandingJob(Job* job) {
@@ skipping 116 matching lines @@
 
   // Clear the outstanding request information.
   cur_request_ = NULL;
   cur_request_callback_ = NULL;
 
   // Call the user's original callback.
   callback->Run(result);
 }
 
 }  // namespace net